root
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
#!/usr/bin/env node
|
|
|
|
import {PNG} from 'pngjs';
|
|
import fs from 'fs';
|
|
import match from '../index.js';
|
|
|
|
if (process.argv.length < 4) {
|
|
console.log('Usage: pixelmatch image1.png image2.png [diff.png] [threshold] [includeAA]');
|
|
process.exit(64);
|
|
}
|
|
|
|
const [,, img1Path, img2Path, diffPath, threshold, includeAA] = process.argv;
|
|
const options = {};
|
|
if (threshold !== undefined) options.threshold = +threshold;
|
|
if (includeAA !== undefined) options.includeAA = includeAA !== 'false';
|
|
|
|
const img1 = PNG.sync.read(fs.readFileSync(img1Path));
|
|
const img2 = PNG.sync.read(fs.readFileSync(img2Path));
|
|
|
|
const {width, height} = img1;
|
|
|
|
if (img2.width !== width || img2.height !== height) {
|
|
console.log(`Image dimensions do not match: ${width}x${height} vs ${img2.width}x${img2.height}`);
|
|
process.exit(65);
|
|
}
|
|
|
|
const diff = diffPath ? new PNG({width, height}) : null;
|
|
|
|
console.time('matched in');
|
|
const diffs = match(img1.data, img2.data, diff ? diff.data : null, width, height, options);
|
|
console.timeEnd('matched in');
|
|
|
|
console.log(`different pixels: ${diffs}`);
|
|
console.log(`error: ${Math.round(100 * 100 * diffs / (width * height)) / 100}%`);
|
|
|
|
if (diff) {
|
|
fs.writeFileSync(diffPath, PNG.sync.write(diff));
|
|
}
|
|
process.exit(diffs ? 66 : 0);
|